World.gd

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`5b18ed86` 2023-11-01 Pavel Safronov	1	extends Node2D
	2
	3	const Utils = preload("res://Utils.gd")
	4	const Enemy = preload("res://Enemy.tscn")
`969fd5af` 2023-11-06 Pavel Safronov	5	const Health = preload("res://HealPowerUp.tscn")
	6	const Speed = preload("res://SpeedPowerUp.tscn")
`f108d953` 2023-11-02 Pavel Safronov	7	var destination: Vector2
	8	var is_destination_set = false
`969fd5af` 2023-11-06 Pavel Safronov	9	var min_items_dict = {
	10	"create_enemy": 10,
`6ae9f305` 2023-11-07 Pavel Safronov	11	"create_health": 2,
	12	"create_speed": 2,
`969fd5af` 2023-11-06 Pavel Safronov	13	}
	14
	15	func enemy_killed():
	16	$CanvasLayer/HUD.score += 1
	17
	18	func create_enemy():
	19	var enemy = Enemy.instance()
	20	enemy.position = get_new_item_pos()
	21	enemy.add_to_group("enemies")
	22	enemy.connect("enemy_killed", self, "enemy_killed")
	23	enemy.connect("tree_exiting", self, "create_enemy")
`c1061565` 2023-11-07 Pavel Safronov	24	$Environment.call_deferred("add_child", enemy)
`969fd5af` 2023-11-06 Pavel Safronov	25
	26	func create_health():
	27	var health = Health.instance()
`6ae9f305` 2023-11-07 Pavel Safronov	28	health.position = get_new_item_pos(1 + randf())
`969fd5af` 2023-11-06 Pavel Safronov	29	health.connect("tree_exiting", self, "create_health")
`c1061565` 2023-11-07 Pavel Safronov	30	$Environment.call_deferred("add_child", health)
`969fd5af` 2023-11-06 Pavel Safronov	31
	32	func create_speed():
	33	var speed = Speed.instance()
`6ae9f305` 2023-11-07 Pavel Safronov	34	speed.position = get_new_item_pos(1 + randf())
`969fd5af` 2023-11-06 Pavel Safronov	35	speed.connect("tree_exiting", self, "create_speed")
`c1061565` 2023-11-07 Pavel Safronov	36	$Environment.call_deferred("add_child", speed)
`0c1938a6` 2023-11-01 Pavel Safronov	37
`e9f8f8f2` 2023-11-01 Pavel Safronov	38	func _ready() -> void:
`969fd5af` 2023-11-06 Pavel Safronov	39	# create items
	40	for creator in min_items_dict:
	41	var count = min_items_dict[creator]
	42	for n in count:
	43	var function = funcref(self, creator)
	44	function.call_func()
`5b18ed86` 2023-11-01 Pavel Safronov	45
`c1061565` 2023-11-07 Pavel Safronov	46	func get_new_item_pos(dist_ratio: float = 1.0) -> Vector2:
`5b18ed86` 2023-11-01 Pavel Safronov	47	var pos_angle = randi() % 360
	48	var unit_vector = Vector2.UP.rotated(pos_angle)
`0bfcffe2` 2023-11-07 Pavel Safronov	49	var size = get_viewport().get_visible_rect().size
	50	var max_side = max(size.x, size.y)
`da9d123a` 2023-11-07 Pavel Safronov	51	var screen_radius = max_side + 10
`c1061565` 2023-11-07 Pavel Safronov	52	var enemy_spawn_dist = screen_radius * dist_ratio
`5b18ed86` 2023-11-01 Pavel Safronov	53	var pos = unit_vector * enemy_spawn_dist + $Player.global_position
`969fd5af` 2023-11-06 Pavel Safronov	54	return pos
`f108d953` 2023-11-02 Pavel Safronov	55
`a71b5173` 2023-11-02 Pavel Safronov	56	func _input(event: InputEvent) -> void:
`1e3c7d1f` 2023-11-06 Pavel Safronov	57	if $Player.dead:
	58	return
`c1061565` 2023-11-07 Pavel Safronov	59	var width = ProjectSettings.get("display/window/size/width")
	60	var height = ProjectSettings.get("display/window/size/height")
	61	var mid = Vector2(width / 2.0, height / 2.0)
`1e3c7d1f` 2023-11-06 Pavel Safronov	62	if event is InputEventScreenTouch && event.pressed:
`def0190b` 2023-11-07 Pavel Safronov	63	var result = event.position + $Player.position - mid
`1e3c7d1f` 2023-11-06 Pavel Safronov	64	set_destination(result)
	65	if event is InputEventScreenDrag:
`def0190b` 2023-11-07 Pavel Safronov	66	var result = event.position + $Player.position - mid
`1e3c7d1f` 2023-11-06 Pavel Safronov	67	set_destination(result)
`eb32e756` 2023-11-06 Pavel Safronov	68	if event is InputEventMouseMotion:
`def0190b` 2023-11-07 Pavel Safronov	69	var result = event.position + $Player.position - mid
`eb32e756` 2023-11-06 Pavel Safronov	70	set_destination(result)
`a71b5173` 2023-11-02 Pavel Safronov	71
`8c2ffd3f` 2023-11-02 Pavel Safronov	72	func _process(_delta: float) -> void:
`52220002` 2023-11-06 Pavel Safronov	73	if Input.is_action_just_pressed("pause"):
	74	get_tree().paused = true
	75	$CanvasLayer/PauseMenu.show()
`f108d953` 2023-11-02 Pavel Safronov	76
	77	if is_destination_set:
`e496c548` 2023-11-06 Pavel Safronov	78	$Player.turn_towards(destination)
`f108d953` 2023-11-02 Pavel Safronov	79	$Destination.visible = true
	80	else:
	81	$Destination.visible = false
`e496c548` 2023-11-06 Pavel Safronov	82
	83	var enemies = get_tree().get_nodes_in_group("enemies")
	84	var filteredEnemies = Utils.filter(funcref(self,"filter_invalid_enemies"), enemies)
	85	for e in filteredEnemies:
	86	var enemy: Enemy = e
	87	enemy.turn_towards($Player.position)
`f108d953` 2023-11-02 Pavel Safronov	88
`969fd5af` 2023-11-06 Pavel Safronov	89	# remove environment nodes that are too far away
	90	# as they are removed, they should replace themselves
	91	var screen_radius = get_viewport().get_visible_rect().size.length() / 2 + 10
	92	var env_items = $Environment.get_children()
	93	Utils.log("env items", env_items.size())
	94	for i in env_items:
	95	var item: Node2D = i
	96	var diff = $Player.global_position - item.global_position
	97	var dist = diff.length()
	98	var is_too_far = dist > (2.0 * screen_radius)
	99	if is_too_far:
	100	item.queue_free()
	101
`a71b5173` 2023-11-02 Pavel Safronov	102	func set_destination(pos: Vector2) -> void:
	103	destination = pos
	104	is_destination_set = true
`52220002` 2023-11-06 Pavel Safronov	105	$Destination.global_position = pos
`a71b5173` 2023-11-02 Pavel Safronov	106	$Destination.visible = true
	107
`6e5e56fe` 2023-11-02 Pavel Safronov	108	func _on_Destination_body_entered(body: Node) -> void:
	109	if body == $Player:
	110	is_destination_set = false
`f398dcb9` 2023-11-02 Pavel Safronov	111
	112	func sort_enemies_ascending_distance(a: Enemy,b: Enemy):
`52220002` 2023-11-06 Pavel Safronov	113	var distA = $Player.global_position.distance_to(a.global_position)
	114	var distB = $Player.global_position.distance_to(b.global_position)
	115	var result = distA < distB
	116	return result
	117
	118	func filter_invalid_enemies(enemy: Enemy) -> bool:
	119	if enemy.dead:
	120	return false
	121	return true
`f398dcb9` 2023-11-02 Pavel Safronov	122
	123	func _on_ShootTimer_timeout() -> void:
	124	if $Player.dead:
	125	return
	126	var enemies = get_tree().get_nodes_in_group("enemies")
`52220002` 2023-11-06 Pavel Safronov	127	for e in enemies:
	128	var enemy: Enemy = e
	129	enemy.is_targeted = false
	130
	131	var filteredEnemies = Utils.filter(funcref(self,"filter_invalid_enemies"), enemies)
	132	if filteredEnemies.size() > 0:
	133	filteredEnemies.sort_custom(self, "sort_enemies_ascending_distance")
	134	var closest_enemy: Enemy = filteredEnemies[0]
`969fd5af` 2023-11-06 Pavel Safronov	135	var dist = closest_enemy.global_position.distance_to($Player.global_position)
	136	if dist < $Player.shooting_range:
	137	closest_enemy.is_targeted = true
	138	$Player.shoot_at(closest_enemy.global_position)
	139	$PlayerToTarget.points[0] = $Player.global_position
	140	$PlayerToTarget.points[1] = closest_enemy.global_position
`52220002` 2023-11-06 Pavel Safronov	141
	142	func _on_Button_pressed() -> void:
	143	get_tree().paused = false
	144	$CanvasLayer/PauseMenu.hide()